+1 (non-binding) On Mon, Sep 20, 2010 at 8:36 AM, Henry Saputra <henry.sapu...@gmail.com> wrote: > +1 (non-binding) > > - Henry > > On Sun, Sep 19, 2010 at 8:21 PM, Mattmann, Chris A (388J) < > chris.a.mattm...@jpl.nasa.gov> wrote: > >> Hi Folks, >> >> Over the past week or so we've been discussing the Gora project and >> bringing >> it into the Apache Incubator [1]. It's time to call a VOTE thread on the >> issue. Please VOTE below: >> >> [ ] +1 Accept Gora into the Apache Incubator. >> [ ] +0 Don't care. >> [ ] -1 Don't accept Gora into the Apache Incubator because... >> >> I'll leave the VOTE open for the remainder of the week (ending on 9/24). >> Here's my +1 (IPMC binding). >> >> [1] http://s.apache.org/MPw >> >> Cheers, >> Chris >> >> P.S. The wiki text for the proposal is pasted below. >> >> ---------- >> Gora Proposal for Apache Incubation >> >> Abstract >> Gora is an ORM framework for column stores such as Apache HBase and Apache >> Cassandra with a specific focus on Hadoop. >> >> Proposal >> Although there are various excellent ORM frameworks for relational >> databases, data modeling in NoSQL data stores differ profoundly from their >> relational cousins. Moreover, data-model agnostic frameworks such as JDO >> are >> not sufficient for use cases, where one needs to use the full power of the >> data models in column stores. Gora fills this gap by giving the user an >> easy-to-use ORM framework with data store specific mappings and built in >> Apache Hadoop support. >> >> The overall goal for Gora is to become the standard data representation and >> persistence framework for big data. The roadmap of Gora can be grouped as >> follows. >> * Data Persistence : Persisting objects to Column stores such as HBase, >> Cassandra, Hypertable; key-value stores such as Voldermort, Redis, etc; SQL >> databases, such as MySQL, HSQLDB, flat files in local file system of Hadoop >> HDFS. >> * Data Access : An easy to use Java-friendly common API for accessing the >> data regardless of its location. >> * Indexing : Persisting objects to Lucene and Solr indexes, >> accessing/querying the data with Gora API. >> * Analysis : Accesing the data and making analysis through adapters for >> Apache Pig, Apache Hive and Cascading >> * MapReduce <http://wiki.apache.org/incubator/MapReduce> support : >> Out-of-the-box and extensive MapReduce >> <http://wiki.apache.org/incubator/MapReduce> (Apache Hadoop) support for >> data in the data store. >> >> Background >> ORM stands for Object Relation Mapping. It is a technology which abstacts >> the persistency layer (mostly Relational Databases) so that plain domain >> level objects can be used, without the cumbersome effort to save/load the >> data to and from the database. Gora differs from current solutions in that: >> * Gora is specially focussed at NoSQL data stores, but also has limited >> support for SQL databases >> * The main use case for Gora is to access/analyze big data using Hadoop. >> * Gora uses Avro for bean definition, not byte code enhancement or >> annotations >> * Object-to-data store mappings are backend specific, so that full data >> model can be utilized. >> * Gora is simple since it ignores complex SQL mappings >> * Gora will support persistence, indexing and anaysis of data, using Pig, >> Lucene, Hive, etc >> Rationale >> ORM frameworks are nothing new. But with the explosion of data generated in >> Terabytes and even Petabytes, NoSQL data stores are gaining ever-increasing >> popularity. Coupled with limited support to already-proven Apache Hadoop >> support in current ORM frameworks, there was a need for a new project. >> >> Gora is currently hosted at Github. However, Gora has ties to ASF in many >> ways. As detailed in the proposal section, Gora will be a high level client >> for many Apache projects and subprojects including Hadoop(common, hdfs, and >> mapreduce), HBase, Cassandra, Avro, Lucene, Solr, Pig, and Hive. Gora >> already uses Hadoop, HBase, Cassandra and Avro. Moreover, Gora started its >> life inside Apache Nutch project, and now Nutch trunk uses Gora as a >> library. Even more, the initial set of committers are all ASF members. >> Therefore, we think that Apache will be an excellent home for Gora. >> >> Initial Goals >> Initial goals for Gora can be summarized as: >> * Iron out the remaining issues with HBase, Cassandra and SQL support. >> * Make the first release before the end of the year. >> * Improve documentation >> * Support for Cascading >> Current Status >> Meritocracy >> Current commit rights belong to the initial list of committers four of who >> are also ASF members. All the developers have extensive experience with >> Apache projects. We honor the meritocracy policy of ASF foundation. >> >> Community >> Gora’s community mostly overlap with that of Nutch, Hadoop, HBase, Avro and >> Cassandra. We have a small community for now (5 initial committers, 18 >> people tracking the project at Github), but have been piggybacking the >> Nutch >> community for a while. If Gora is accepted to Apache Incubator, we expect >> more traction. Moreover, with the increasing popularity of NoSQL databases, >> we expect more users. >> >> Core Developers >> Gora was started by the initial code base inside Apache Nutch by Doğacan >> Güney. Then Enis Söztutar has refactored and re-architected the project out >> of Nutch. Later Julien Nioche, Andrzej Bialecki and Doğacan has ported >> Nutch >> to use the newly formed project. Later, Sertan Alkan has joined. Doğacan >> and >> Julien are Nutch PMC members, Andrzej is the Nutch PMC chair. Enis is an >> Apache Hadoop PMC member. >> >> Alignment >> As discusssed in the second paragraph of Rationale Section, all of the >> current developers are Apache people, and four of them are PMC members, >> which shows that we have some experience with the Apache way. Moreover, >> Gora >> is tightly related with lots of Apache projects, Nutch, Hadoop, HBase, >> Cassandra, Avro, Pig, Hive, Lucene to name a few. Gora has started its life >> inside Nutch, and now nutch trunk uses Gora to persist web crawl data to >> HBase, Cassandra and MySQL, which means that Gora is a very critical >> component in Nutch. >> >> Known Risks >> Orphaned Products >> Most of the development depends on Enis and Doğacan for now. Both of them >> intent to continue Gora development. However, we also acknowledge that more >> core developers are needed for the project to be truly successful. The >> general strategy to acquire more developers will be to acquire more users, >> and encourage users to be active in the community and develop patches. >> Moreover, the next release of Nutch planned before the end of 2010 has >> extensive Gora support. We expect more interest from Nutch community, and >> we >> will continue to announce Gora notifications at Hadoop,HBase and Cassandra >> mailing lists. >> >> Inexperience with Open Source >> We believe that all of the developers have extensive open source >> experience. >> Four of the initial committers are apache members. The codebase is also >> open >> source since April 2010. We also have some documentation, wiki pages, issue >> tracker and dev mailing list. >> >> Homogeneous Developers >> We have a semi-distributed development environment where Doğacan, Enis and >> Sertan share the same office, but Andrzej and Julien are independent. With >> the aim of acquiring more developers, we expect more heterogeneous >> development. >> >> Reliance on Salaried Developers >> Gora development have been supported by ant.com >> <http://wiki.apache.org/incubator/ant.com> search engine as contract >> work. >> It is expected that this contract will continue in the future. However, >> even >> without sponsors, we are commited to continue on Gora development, since we >> believe in the technology it brings and it’s vital role in Nutch, and our >> other closed sourced projects. >> >> Relationships with Other Apache Products >> Gora will be tightly related to lots of Apache projects: >> * >> * Nutch : Apache nutch was to home to Gora’s initial code base. Now, Nutch >> trunk uses Gora as a library. The next relase of Nutch, planned before the >> end of 2010 will be using Gora’s first release. >> * >> * Hadoop : Gora has extensive support for Hadoop MapReduce >> <http://wiki.apache.org/incubator/MapReduce> Gora defines all the >> necessary >> data structures for working with Hadoop .Data stored in column oriented >> data >> stores can be analyzed with Gora using Hadoop. >> * >> * Avro : Gora uses and extends Avro. Data beans in Gora are defined using >> Avro schemas ,and compiled into Java code with the extended version of the >> Avro compiler. Avro is also used in data serialization. >> * >> * HBase : Gora supports HBase as a persistency backend. >> * >> * Cassandra : Gora support Cassandra as a persistency backend. >> * >> * Lucene/Solr : Gora intends to support Lucene/Solr as a persistency and >> indexing backend. >> * >> * Pig : Gora intends to support Pig for data anaysis >> * >> * Hive : Gora intends to support Hive for data analysis >> >> An Excessive Fascination with the Apache Brand >> Gora is a natural fit for Apache due to it's current commiters and >> depending >> projects. >> >> Documentation >> * The project is currently hosted at http://github.com/enis/gora/. >> * >> * Wiki pages can be found at http://wiki.github.com/enis/gora/. >> * >> * List of issues can be found at http://github.com/enis/gora/issues/. >> * >> * Current web address: http://groups.google.com/group/gora-dev. >> * >> * Current email address: gora-...@googlegroups.com. >> >> Initial Source >> The initial source was developed as a patch to the Apache Nutch project. >> But >> the storage abstraction layer was orthogonal to the web crawler, and we >> decided to extract it to a separate project with much wider goals. Thus >> Gora, as a project, was born. The initial code is developed by Enis and >> Dogacan with ant.com’s sponsorship. >> >> The code can be found at http://github.com/enis/gora/. >> >> External Dependencies >> External dependencies excluding Apache projects are as follows >> * >> * JDOM - http://jdom.org/ - Apache-style license >> * >> * SQL Builder - http://openhms.sourceforge.net/sqlbuilder/ - Artistic >> License, LGPL. SQL Builder is intended to be removed from the source due to >> technical reasons anyway. >> * >> * HSQLDB - http://hsqldb.org/ - BSD-style license >> * >> * JUnit - http://junit.org - Common Public License 1.0 >> * >> * SLF4J - http://www.slf4j.org/ - MIT License >> * >> * Google Guava Libraries - http://code.google.com/p/guava-libraries/ - >> Apache License 2.0 >> >> Required Resources >> Mailing Lists >> * gora-private (with moderated subscriptions) >> * gora-dev >> * gora-commits >> Subversion Directory >> * http://svn.apache.org/repos/asf/incubator/gora >> >> Issue Tracking >> * JIRA (GORA) >> Other Resources >> We need a wiki at http://wiki.apache.org. Currently, we have a wiki at >> Github, Since there is not a lot of pages there, we can manually move the >> pages to the wiki at wiki.apache.org. >> >> Initial Committers >> * Name email Affiliation Timezone >> * Enis Söztutar enis [at] apache.org Konneka >> +3 >> * Doğacan Güney dogacan [at] apache.org Konneka >> +3 >> * Sertan Alkan sertanalkan [at] gmail.com Konneka >> +3 >> * Julien Nioche jnioche [at] apache.org DigitalPebble >> <http://wiki.apache.org/incubator/DigitalPebble> +1 >> * Andrzej Bialecki ab [at] apache.org Sigram >> * Andrew Hart ahart [at] apache.org NASA JPL >> -8 >> * Dave Woollard woollard [at] apache.org NASA JPL >> -8 >> * Henry Saputra hsaputra [at] apache.org Yahoo! >> -8 >> >> Affiliations >> All of the parties are affiliated with companies and organizations that >> are >> familiar with the development of open source . Most of the original Gora >> development was sponsored by ant.com, however we expect that the amount >> of >> volunteer work will increase, and more developers will come on board. >> >> Sponsors >> Champion >> * Chris Mattmann (mattmann AT apache DOT org) >> Nominated Mentors >> * Chris Mattmann (mattmann AT apache DOT org) >> * Andrzej Bialecki (ab AT apache DOT org ) >> * Tom White (tomwhite AT apache DOT org) >> Sponsoring Entity >> Apache Incubator. Successful graduation can result in either being a TLP, >> or a subproject of Hadoop, since most of the community is projected to >> overlap. >> >> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ >> Chris Mattmann, Ph.D. >> Senior Computer Scientist >> NASA Jet Propulsion Laboratory Pasadena, CA 91109 USA >> Office: 171-266B, Mailstop: 171-246 >> Email: chris.mattm...@jpl.nasa.gov >> WWW: http://sunset.usc.edu/~mattmann/ >> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ >> Adjunct Assistant Professor, Computer Science Department >> University of Southern California, Los Angeles, CA 90089 USA >> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ >> >> >> >
-- Thanks - Mohammad Nour Author of (WebSphere Application Server Community Edition 2.0 User Guide) http://www.redbooks.ibm.com/abstracts/sg247585.html - LinkedIn: http://www.linkedin.com/in/mnour - Blog: http://tadabborat.blogspot.com ---- "Life is like riding a bicycle. To keep your balance you must keep moving" - Albert Einstein "Writing clean code is what you must do in order to call yourself a professional. There is no reasonable excuse for doing anything less than your best." - Clean Code: A Handbook of Agile Software Craftsmanship "Stay hungry, stay foolish." - Steve Jobs --------------------------------------------------------------------- To unsubscribe, e-mail: general-unsubscr...@incubator.apache.org For additional commands, e-mail: general-h...@incubator.apache.org
